Home / 20,276.25-30,415.76-6,235.41

Finding the Fourth Proportional to 20,276.25, 30,415.76 and 6,235.41

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Solution

The fourth proportional to 20,276.25, 30,415.76 and 6,235.41 is: 9,353.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,276.25 : 30,415.76 = 6,235.41 : x
  2. Step 2: Convert to fraction form
    20,276.25/30,415.76 = 6,235.41/x
  3. Step 3: Cross multiply
    20,276.25x = 30,415.76 × 6,235.41
  4. Step 4: Simplify right side
    20,276.25x = 189,654,702.88
  5. Step 5: Solve for x
    x = 189,654,702.88/20,276.25
  6. Step 6: Final answer
    x = 9,353.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.